1. Bhowmik D, Gopinath H, Kumar BP, Kumar KPS. Recent advances in novel topical drug delivery system. Pharma Innovation 2012;1(9):12-31.
2. Yadav VK, Gupta AB, Kumar R, Yadav JS, Kumar B. Mucoadhesive polymers: means of improving the mucoadhesive properties of drug delivery system. J. Chem. Pharm. Res. 2010;2(5):418-32.
3. Webster JG. Encyclopedia of medical devices and instrumentation, 2nd ed. New York: John Wiley & Sons, p. 437-95.
4. Kumar KPS, Bhowmilk D, Chiranjib, Chandira M, Tripathi KK. Innovations in sustained release drug delivery system and its market opportunities. J. Chem. Pharm. Res 2012;2(1):349-60.
5. Verma P, Thakur AS, Deshmukh K, Jha DRAK, Verma S. Routes of drug administration. IJPSR 2010;1(1):54-9.